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Cotton (from Arabic qutn) is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow family Malvaceae. The fiber is almost pure cellulose , and can contain minor percentages of waxes , fats , pectins , and water .
Gossypium (/ ɡ ɒ ˈ s ɪ p i ə m /) [2] is a genus of flowering plants in the tribe Gossypieae of the mallow family, Malvaceae, from which cotton is harvested. It is native to tropical and subtropical regions of the Old and New Worlds.
Gossypium arboreum, commonly called tree cotton, is a species of cotton native to Indian subcontinent and other tropical and subtropical regions of the Old World.There is evidence of its cultivation as long ago as the Indus Valley Civilisation of the Indus River for the production of cotton textiles.
Thousands of years of cultivation have dramatically changed the fiber in cotton plants. Wild cottons have very little fiber, so little it might not be noticed. The fiber emanates from each seed. The purpose of the fiber to wild plants is unknown. Domesticated cottons have much more fiber. Besides the more obvious long fibers, domesticated ...
Beginning of crop cover: 10% of plants meet between rows 32: 20% of plants meet between rows 33: 30% of plants meet between rows 34: 40% of plants meet between rows 35: 50% of plants meet between rows 36: 60% of plants meet between rows 37: 70% of plants meet between rows 38: 80% of plants meet between rows 39: Canopy closure: 90% of the plants ...
Natural color in cotton comes from pigments found in cotton; these pigments can produce shades ranging from tan to green and brown. [3] Naturally pigmented green cotton derives its color from caffeic acid, a derivative of cinnamic acid, found in the suberin (wax) layer which is deposited in alternating layers with cellulose around the outside of the cotton fiber.
Gossypium hirsutum, also known as upland cotton or Mexican cotton, is the most widely planted species of cotton in the world. Globally, about 90% of all cotton production is of cultivars derived from this species. [2] In the United States, the world's largest exporter of cotton, it constitutes approximately 95% of all cotton production.
Bombax ceiba, like other trees of the genus Bombax, is commonly known as cotton tree. More specifically, it is sometimes known as Malabar silk-cotton tree ; red silk-cotton ; red cotton tree ; or ambiguously as silk-cotton or kapok , [ 3 ] both of which may also refer to Ceiba pentandra .